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Cheap flights from St. Louis to Canada from C$ 136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 25/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:49 p.m. - 12:14 a.m.
STL
-
YYZ
7h 25m
1 stop
Multiple Airlines Logo
7:15 a.m. - 10:27 p.m.
YYZ
-
STL
16h 12m
1 stop
C$ 311Multiple Airlines
Mon, 2 Mar - Tue, 3 Mar
Multiple Airlines Logo
10:11 p.m. - 6:43 a.m.
STL
-
YYZ
31h 32m
1 stop
Multiple Airlines Logo
8:20 p.m. - 7:02 a.m.
YYZ
-
STL
11h 42m
1 stop
C$ 340Multiple Airlines
Sun, 1 Mar - Thu, 5 Mar
United Airlines Logo
6:00 p.m. - 11:06 p.m.
STL
-
YVR
7h 06m
1 stop
United Airlines Logo
8:30 a.m. - 11:21 p.m.
YVR
-
STL
12h 51m
1 stop
C$ 423United Airlines
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
4:30 p.m. - 11:06 p.m.
STL
-
YVR
8h 36m
1 stop
United Airlines Logo
8:30 a.m. - 11:34 p.m.
YVR
-
STL
13h 04m
1 stop
C$ 429United Airlines
Sat, 28 Feb - Sat, 7 Mar
Delta Logo
6:20 a.m. - 10:50 a.m.
STL
-
YVR
6h 30m
1 stop
Delta Logo
6:15 a.m. - 4:50 p.m.
YVR
-
STL
8h 35m
2 stops
C$ 435Delta
Tue, 28 Apr - Sat, 2 May
Delta Logo
3:25 p.m. - 10:31 p.m.
STL
-
YVR
9h 06m
2 stops
Delta Logo
6:15 a.m. - 9:32 p.m.
YVR
-
STL
13h 17m
2 stops
C$ 444Delta
Tue, 28 Apr - Sat, 2 May
Air Canada Logo
2:20 p.m. - 12:24 a.m.
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
7:05 a.m. - 12:06 p.m.
YHZ
-
STL
7h 01m
1 stop
C$ 471Air Canada
Wed, 13 May - Sat, 16 May
Air Canada Logo
2:20 p.m. - 12:24 a.m.
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
1:25 p.m. - 8:04 p.m.
YHZ
-
STL
8h 39m
2 stops
C$ 478Air Canada
Wed, 13 May - Sat, 16 May
WestJet Logo
2:18 p.m. - 9:45 p.m.
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 p.m. - 9:30 a.m.
YHZ
-
STL
20h 00m
1 stop
C$ 504WestJet
Thu, 18 Jun - Wed, 24 Jun
WestJet Logo
2:18 p.m. - 9:45 p.m.
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 p.m. - 1:17 p.m.
YHZ
-
STL
23h 47m
1 stop
C$ 505WestJet
Thu, 18 Jun - Sun, 28 Jun

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
17 Feb
STL6:00 a.m.Lambert-St Louis
8h 04m
1 stop
YUL3:04 p.m.Montreal Pierre Elliott Trudeau Intl
20 Feb
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
19h 28m
1 stop
STL10:13 a.m.Lambert-St Louis
C$ 504
American Airlines
10 Mar
STL6:37 p.m.Lambert-St Louis
19h 28m
1 stop
YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl
17 Mar
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
11h 45m
2 stops
STL11:44 p.m.Lambert-St Louis
C$ 518
American Airlines
5 Mar
STL6:00 a.m.Lambert-St Louis
8h 04m
1 stop
YUL3:04 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
8h 59m
1 stop
STL11:44 p.m.Lambert-St Louis
C$ 522

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
13 May
STL2:20 p.m.Lambert-St Louis
8h 04m
1 stop
YHZ12:24 a.m.Halifax Intl
16 May
YHZ7:05 a.m.Halifax Intl
7h 01m
1 stop
STL12:06 p.m.Lambert-St Louis
C$ 471
Air Canada
13 May
STL2:20 p.m.Lambert-St Louis
8h 04m
1 stop
YHZ12:24 a.m.Halifax Intl
16 May
YHZ1:25 p.m.Halifax Intl
8h 39m
2 stops
STL8:04 p.m.Lambert-St Louis
C$ 478
Air Canada
13 May
STL7:30 a.m.Lambert-St Louis
11h 00m
2 stops
YHZ8:30 p.m.Halifax Intl
16 May
YHZ1:25 p.m.Halifax Intl
8h 39m
2 stops
STL8:04 p.m.Lambert-St Louis
C$ 486

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 2/3

3:49 p.m.-12:14 a.m.

1 stop7h 25m

Toronto Pearson Intl

Tue 3/3

7:15 a.m.-10:27 p.m.

1 stop16h 12m

C$ 311

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 1/3

10:11 p.m.-6:43 a.m.

1 stop31h 32m

Toronto Pearson Intl

Thu 5/3

8:20 p.m.-7:02 a.m.

1 stop11h 42m

C$ 340

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 25/2

6:00 p.m.-11:06 p.m.

1 stop7h 06m

Vancouver Intl

Wed 4/3

8:30 a.m.-11:21 p.m.

1 stop12h 51m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 28/2

4:30 p.m.-11:06 p.m.

1 stop8h 36m

Vancouver Intl

Sat 7/3

8:30 a.m.-11:34 p.m.

1 stop13h 04m

C$ 429

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 28/4

6:20 a.m.-10:50 a.m.

1 stop6h 30m

Vancouver Intl

Sat 2/5

6:15 a.m.-4:50 p.m.

2 stops8h 35m

C$ 435

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 28/4

3:25 p.m.-10:31 p.m.

2 stops9h 06m

Vancouver Intl

Sat 2/5

6:15 a.m.-9:32 p.m.

2 stops13h 17m

C$ 444

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 13/5

2:20 p.m.-12:24 a.m.

1 stop8h 04m

Halifax Intl

Sat 16/5

7:05 a.m.-12:06 p.m.

1 stop7h 01m

C$ 471

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 13/5

2:20 p.m.-12:24 a.m.

1 stop8h 04m

Halifax Intl

Sat 16/5

1:25 p.m.-8:04 p.m.

2 stops8h 39m

C$ 478

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 18/6

2:18 p.m.-9:45 p.m.

1 stop5h 27m

Halifax Intl

Wed 24/6

3:30 p.m.-9:30 a.m.

1 stop20h 00m

C$ 504

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 18/6

2:18 p.m.-9:45 p.m.

1 stop5h 27m

Halifax Intl

Sun 28/6

3:30 p.m.-1:17 p.m.

1 stop23h 47m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, June is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 497. If you’re not able to fly to Canada in June, then May is your next best option. Flight prices from St. Louis to Canada during May average around C$ 592.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 464. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around C$ 891. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is in the morning. momondo users have found flights departing from St. Louis to Canada in the morning for as low as C$ 575. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 638 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 731 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 303 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 51% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Fastest flight time

1h 51m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Canada

513 airports
The fastest flight from St. Louis to Canada takes 1h 51m
Direct flights go from St. Louis to Canada on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 298Free CancellationRating
7.1
10,660 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

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Find better results for your trip to Canada

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Popular flights according to clicks in the last 7 days on momondo
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